CMDTOP is a basic panel command that you can issue from any product panel.
CMDTOP displays the Command line at the top of all product panels, just below the panel ID and description. You can use it to temporarily override the value specified in the User Profile, but it does not change that value. The new value remains in effect until you, perform one of the following actions:
Change it using the CMDBOT command
Modify your User Profile
End your user session
Syntax of the CMDTOP command
Type CMDTOP (or an appropriate abbreviation) on the Command line, and press Enter.